5 Signal Descriptions List
The following tables provide the details on signal names classified by peripheral.
| Signal Name | Function | Type | Active Level |
|---|---|---|---|
| Analog Comparators - AC | |||
| AIN[7:0] | AC Analog Inputs | Analog | |
| CMP[2:0] | AC Comparator Outputs | Digital | |
| Analog Digital Converter - ADCx | |||
| AIN[19:0] | ADC Analog Inputs | Analog | |
| VREFA | ADC Voltage External Reference A | Analog | |
| Digital Analog Converter - DAC | |||
| VOUT | DAC Voltage output | Analog | |
| VREFA | DAC Voltage External Reference A | Analog | |
| Sigma-Delta Analog Digital Converter - SDADC | |||
| AINN[2:0] | SDADC Analog Negative Inputs | Analog | |
| AINP[2:0] | SDADC Analog Positive Inputs | Analog | |
| VREFB | SDADC Voltage External Reference B | Analog | |
| External Interrupt Controller - EIC | |||
| EXTINT[15:0] | External Interrupts inputs | Digital | |
| NMI | External Non-Maskable Interrupt input | Digital | |
| Generic Clock Generator - GCLK | |||
| GCLK_IO[7:0] | Generic Clock (source clock inputs or generic clock generator output) | Digital | |
| Custom Control Logic - CCL | |||
| IN[11:0] | Logic Inputs | Digital | |
| OUT[3:0] | Logic Outputs | Digital | |
| Power Manager - PM | |||
| RESET | Reset input | Digital | Low |
| Serial Communication Interface - SERCOMx | |||
| PAD[3:0] | SERCOM Inputs/Outputs Pads | Digital | |
| Oscillators Control - OSCCTRL | |||
| XIN | Crystal or external clock Input | Analog/Digital | |
| XOUT | Crystal Output | Analog | |
| 32.768 kHz Oscillators Control - OSC32KCTRL | |||
| XIN32 | 32.768 kHz Crystal or external clock Input | Analog/Digital | |
| XOUT32 | 32.768 kHz Crystal Output | Analog | |
| Timer Counter - TCx | |||
| WO[1:0] | Waveform/PWM Outputs/ Capture Inputs | Digital | |
| Timer Counter - TCCx | |||
| WO[7:0] | Waveform/PWM Outputs | Digital | |
| Peripheral Touch Controller - PTC | |||
| X[15:0] | PTC Input | Analog | |
| Y[15:0] | PTC Input | Analog | |
| General Purpose I/O - PORT | |||
| PA25 - PA00 | Parallel I/O Controller I/O Port A | Digital | |
| PA28 - PA27 | Parallel I/O Controller I/O Port A | Digital | |
| PA31 - PA30 | Parallel I/O Controller I/O Port A | Digital | |
| PB17 - PB00 | Parallel I/O Controller I/O Port B | Digital | |
| PB21 - PB19 | Parallel I/O Controller I/O Port B | Digital | |
| PB25 - PB22 | Parallel I/O Controller I/O Port B | Digital | |
| PB31 - PB30 | Parallel I/O Controller I/O Port B | Digital | |
| PC03 - PC-00 | Parallel I/O Controller I/O Port C | Digital | |
| PC21 - PC05 | Parallel I/O Controller I/O Port C | Digital | |
| PC28 - PC24 | Parallel I/O Controller I/O Port C | Digital | |
| Controller Area Network - CAN | |||
| TX | CAN Transmit Line | Digital | |
| RX | CAN Receive Line | Digital |